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Disable YouTube AV1 and VP9

Disable AV1 and VP9 for video playback on YouTube

As of 27.06.2025. See the latest version.

Аўтар
𝖢𝖸 𝖥𝗎𝗇𝗀
Рэйтынг
0 0 0
Версія
2.4.5
Створаны
12.05.2023
Абноўлены
27.06.2025
Памер
5.1 КБ
Сумяшчальнасць
Сумяшчальны з Firefox Сумяшчальны з Chrome Сумяшчальны з Opera Сумяшчальны з Safari Сумяшчальны з Edge
Ліцэнзія
MIT
Applies to

Disable YouTube AV1 and VP9

  • As use this script, you will disable both AV1 and VP9 so all your YouTube videos are likely to become AVC1.
  • You will be beneficial by hardware decoding but some high resolutions like 2k and 4k will no longer be available.

  • Opposite Script: Use YouTube AV1

  • Related Script: Disable YouTube AV1

Note:

Important Note: Without AV1 and VP9, some high resolution modes of videos might not be available in AVC1. (e.g. 2k & 4k)

AV1 is not yet supported in hardware decoding.

VP9 is usually supported in hardware decoding in modern PC.

AVC1 will be used instead which is usually under hardware decoding.

Tests: